Etymologically

Etymology and origin of the Portuguese word armar

Confidence
Established
Formation
Inherited
First attested
1200s a cantiga by Afonso X More words from the 13th century
Inherited from
Latin armo
Ultimate origin
Latin arma
Etymology tree
inherited borrowed derived
Latin arma
Catalan arma
French arme
Italian arma
Portuguese arma
Romanian armă
Spanish arma
Latin armō
French armer
French désarmement
Italian armare
Portuguese armar
Spanish armar
From the same root
English alarm ← arma
Latin armārium ← arma
Latin armifer ← arma
Latin armiger ← arma
Latin armipotēns ← arma
Latin armistitium ← arma
Latin inermis ← arma
Italian allarme ← arma
English arm ← armō
French armement ← armō
French désarmer ← armō
Latin armāmentum ← armō
Latin armātūra ← armō
Latin armātus ← armō
Latin exarmō ← armō
Spanish armadura ← armō
French armée ← armer
Italian armata ← armare
Spanish armada ← armar

Pronunciation

  • Brazil: /aʁˈma(ʁ)/, [aɦˈma(h)][1]
  • São-Paulo: /aɾˈma(ɾ)/[1]
  • Rio-de-Janeiro: /aʁˈma(ʁ)/, [aʁˈma(χ)][1]
  • Caipira: /aɻˈma(ɻ)/[1]

Forms

armar (first-person singular present armo, first-person singular preterite armei, past participle armado)[1]

Etymology

It is inherited from Latin armō (“to arm, equip”), written Old Galician-Portuguese armar in the oldest texts.[2][3][4][1] Machado gives the Latin verb the senses “arm”, “fit out a ship”, “arm a fortress” and “provide”, all of which reappear in Portuguese.[4]

The same Latin verb is Galician armar, Spanish armar, Catalan armar, French armer, Italian armare and Romanian arma.[5][6][1]

The Latin verb is formed from arma (“arms, weapons”).[7][1] Medieval Latin also used it for knighting someone by handing him his arms, a sense found in Old Galician-Portuguese too.[8][9]

Earliest recorded meaning

Houaiss and Cunha date the verb to the 13th century.[2][3] Machado's first record is a cantiga of Afonso X about a man who fled the war in fear and went back to his land armar manto, literally “to put on a cloak”; the glossaries read it as dressing up richly, perhaps to cover his cowardice, and mark the reading as uncertain.[4][10][9] The Cantigas de Santa Maria have a sultan who has his men armed, and crossbows made ready (ouv'a baesta armada “he had the crossbow cocked”); a cantiga d'amigo speaks of the king fitting out a boat (U el-rei arma o barco).[9][10]

Semantic evolution

The medieval senses are arming and equipping men, ships and crossbows, and in the Crónica Troiana knighting.[9] Morais (1789) lists armar cavaleiro “to knight”, with the ceremony of the order, and the figurative uses “to stir up” (a lawsuit, a quarrel), “to lay” (snares, traps) and armar às aves “to set snares for birds”; used intransitively it meant “to suit”, as in este traje não me arma “this dress does not suit me”.[11] Bluteau's book of synonyms gives “enlist soldiers” and “prepare to resist the enemy”.[12]

From making a weapon ready the verb passed to any device, structure or plan: setting a trap or a camera, putting up a tent or a hammock, plotting a scheme or causing a fuss.[2][1] Fabric that “arms well” hangs with body.[2] In Portugal armar-se em is to give oneself airs.[2][1] In Rio Grande do Sul it is also used for rolling a cigarette and preparing mate.[13]

Timeline

  • 13th century – first records; a cantiga of Afonso X has armar manto.[2][3][4]
  • 13th century – the Cantigas de Santa Maria use the verb of arming men and cocking crossbows.[9]
  • 14th century – first records of the derivatives armação and armadilha.[14]
  • 1496 – the earliest record in the CTA prose corpus, the História de mui nobre Vespasiano.[15]
  • 1569 – Cardoso glosses it with Latin armo.[16]
  • 1611 – Barbosa adds armada cousa “an armed thing”.[17]
  • 1789 – Morais records armar cavaleiro, armar às aves and the sense “to suit”.[11]

Meanings

Verb

  1. To arm; to supply with weapons;[2][18][1] (reflexive) to arm oneself: Armaram-se de paus e pedras.[2][18][1]
  2. To put armour on; to protect with defensive arms.[2][18]
  3. To prepare (a country, a force) for war.[2][19]
  4. (figurative, reflexive) To forearm oneself, to take precautions.[2]
  5. To cock (a firearm).[2]
  6. To set (a trap, a device, an alarm) ready to work.[2][1]
  7. To put up, to assemble (a tent, a hammock, a structure).[2][1]
  8. To fit out, to equip (a ship).[20][19]
  9. (figurative) To devise, to plot;[2][19] (informal) to cause (trouble, a scene).[2][19]
  10. (intransitive, of fabric or clothes) To hang well, to have body.[2]
  11. (Portugal, informal, reflexive) armar-se em: to give oneself airs as, to pose as.[2][1]

Word family

  • armação
  • armadilha
  • armado
  • armador
  • desarmar
  • rearmar

Usage notes

Armar cavaleiro “to knight” keeps the medieval sense.[11][9]

References

  1. ^ a b c d e f g h i j k l m n o Wiktionary, the free dictionary, https://en.wiktionary.org
  2. ^ a b c d e f g h i j k l m n o p q r Houaiss, Antônio; Villar, Mauro de Salles (2001), Dicionário Houaiss da língua portuguesa, Rio de Janeiro: Objetiva, p. s.v. armar
  3. ^ a b c Cunha, Antônio Geraldo da (2010), Dicionário etimológico da língua portuguesa, 4th ed., Rio de Janeiro: Lexikon, p. s.v. armar
  4. ^ a b c d Machado, José Pedro (1987), Dicionário etimológico da língua portuguesa, 4th ed., 5 vols., Lisboa: Livros Horizonte, p. s.v. armar
  5. ^ Meyer-Lübke, Wilhelm (1935), Romanisches etymologisches Wörterbuch, 3rd ed., Heidelberg: Winter, p. s.v. armare
  6. ^ García de Diego, Vicente (1985), Diccionario etimológico español e hispánico, 2nd ed., Madrid: Espasa-Calpe (1st ed. 1954), p. s.v. armare
  7. ^ Glare, P. G. W., ed. (2012), Oxford Latin Dictionary, 2nd ed., Oxford: Oxford University Press, p. s.v. armō
  8. ^ Niermeyer, J. F. (1976), Mediae Latinitatis Lexicon Minus, Leiden: Brill, p. s.v. armare
  9. ^ a b c d e f Instituto da Lingua Galega, Dicionario de dicionarios do galego medieval (DDGM), ed. Ernesto González Seoane, Santiago de Compostela: Universidade de Santiago de Compostela, https://ilg.usc.gal/ddgm, p. s.v. armar
  10. ^ a b Universo Cantigas: Glosario da poesía medieval profana galego-portuguesa, A Coruña: Instituto da Lingua e Literatura (ILLA), Universidade da Coruña, https://www.universocantigas.gal, p. s.v. armar
  11. ^ a b c Silva, António de Morais (1789), Diccionario da lingua portugueza composto pelo padre D. Rafael Bluteau, reformado, e accrescentado, 2 vols., Lisboa: Simão Thaddeo Ferreira, p. 1, 113
  12. ^ Bluteau, Raphael (1712–1728), Vocabulario portuguez e latino, 8 vols. + 2 supplement vols., Coimbra / Lisboa (CLP transcription, Universidade de Aveiro), p. s.v. armar
  13. ^ Schlee, Aldyr Garcia (2019), Dicionário da Cultura Pampeana Sul-Rio-Grandense, 2 vols., Pelotas: Fructos do Paiz, p. s.v. armar
  14. ^ Cunha, Antônio Geraldo da (2010), Dicionário etimológico da língua portuguesa, 4th ed., Rio de Janeiro: Lexikon, p. s.v. arma
  15. ^ Centro de Linguística da Universidade de Lisboa, CTA – Corpus de Textos Antigos, https://teitok.clul.ul.pt/cta, p. s.v. armar
  16. ^ Cardoso, Jerónimo (1569–1570), Dictionarium ex lusitanico in latinum sermonem, Lisboa: João Álvares (CLP transcription, Universidade de Aveiro), p. s.v. armar
  17. ^ Barbosa, Agostinho (1611), Dictionarium lusitanicolatinum, Braga: Fructuoso Lourenço de Basto (CLP transcription, Universidade de Aveiro), p. s.v. armar
  18. ^ a b c Ferreira, Aurélio Buarque de Holanda, Novo dicionário Aurélio da língua portuguesa, digital edition, p. s.v. armar
  19. ^ a b c d Dicionário Priberam da Língua Portuguesa, Lisboa: Priberam Informática, https://dicionario.priberam.org, p. s.v. armar
  20. ^ Porto Editora (2013), Grande Dicionário da Língua Portuguesa, Porto: Porto Editora, p. 903

Related etymologies

Cite this entry

“Armar.” Etymologically, 15 Nov. 2026, etymologically.com/pt/armar. Accessed 16 Nov. 2026.

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